CVE-2023-52100Network attack vector

Unauthenticated availability disruption

Published Jan 16, 2024 · Updated Jun 2, 2025

Access-control failure in Huawei HarmonyOS 4.0.0 allows remote attackers to disrupt availability through the Celia Keyboard module. Huawei has not disclosed which Celia Keyboard access-control check is missing or how attacker-controlled input reaches it. The published assessment requires no privileges or user interaction and limits the reported consequence to availability, without identifying a hang, crash, reboot, or shutdown.

CVSS severity7.5
High
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Access-control failure in Huawei HarmonyOS 4.0.0 allows remote attackers to disrupt availability through the Celia Keyboard module. Huawei has not disclosed which Celia Keyboard access-control check is missing or how attacker-controlled input reaches it. The published assessment requires no privileges or user interaction and limits the reported consequence to availability, without identifying a hang, crash, reboot, or shutdown.

The record

CVE
CVE-2023-52100
Published
Jan 16, 2024
Updated
Jun 2, 2025
Vendor
MindSpore
Product
HarmonyOS
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 2, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

MindSpore · HarmonyOSversion=4.0.0

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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